Goodman GMH80453AN Series Technical Manual page 10

PRODUCT DESIGN
Thermostats:
NOTE: Complete lineup of thermostats can be found in the Thermostat Specification Sheets.
Filters:
Filters are required with this furnace and must be provided by the installer. The filters used must comply with UL900 or
CAN/ULCS111 standards. Installing this furnace without filters will void the unit warranty.
This furnace has provisions for the installation of return air filters at the side and/or bottom return. The furnace will
accommodate the following filter sizes depending on cabinet size:
Cabinet
Width
(in.)
All
Refer to Minimum Filter Area tables to determine filter area requirement. NOTE: Filters can also be installed elsewhere in
the duct system such as a central return.
10
Upflow Filters
Side Return(s)
Approx.
Nominal
Flow Area
Filter Size
2
(in.)
(in )
16 x 25 x 1 400
MINIMUM FILTER SIZES
FURNACE INPUT
45M
70M
90M
115M
140M
45M
70M
90M
115M
140M
PERMANENT NOMINAL 600 F.M. FACE VELOCITY
DISPOSABLE NOMINAL 300 F.M. FACE VELOCITY
Bottom Return
Cabinet Nominal
Width Filter Size
(in.) (in.)
14 12 x 25 x 1
17-1/2 14 x 25 x 1
21 16 x 25 x 1
24-1/2 20 x 25 x 1
FILTER SIZE TYPE
2
permanent
160 in
2
permanent
241 in
2
permanent
320 in
2
permanent
400 in
2
permanent
370 in
2
disposable
320 in
2
disposable
483 in
2
disposable
640 in
2
disposable
800 in
2
disposable
738 in
Approx.
Flow Area
2
(in )
300
350
400
500